Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

Boise → San Diego via San Francisco: arrives on time 33%

  1. 10:35 BOI → 11:35 SFO
    UA 4733 · United, flown by SkyWest · 2h 00m · 66% on time, 0.0% cancelled
  2. 46m layover in San Francisco (SFO) · 45 min minimum on one ticket
  3. 12:21 SFO → 14:08 SAN
    UA 1257 · United · 1h 47m · 67% on time, 0.0% cancelled

Total trip 4h 33m, scheduled departure to arrival (San Diego is 1 h behind Boise). Times are local. Both flew on 56 of the last 56 days.

Makes the connection49%The first flight arrived more than 1 minutes late on 51% of the days it flew: too late for the 45-minute minimum connection on a 46m layover.
Arrives on time33%First flight not cancelled (0.0% are) × connection made (49%) × second flight not cancelled (0.0% are) and within 15 minutes (67%).
Total trip4h 33mBOI 10:35 to SAN 14:08, layover included

Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.